diff options
| author | Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> | 2016-10-21 19:38:20 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-10-21 23:16:26 +0300 |
| commit | 185d82456edaa5a7a8c8827840b8a675c60579c0 (patch) | |
| tree | 09408f5f4f4f9bc267ca01f737f8283ccdd21406 /drivers | |
| parent | 1d29815ef2d2dd0fb1a62494a9c158c0dc49e2c8 (diff) | |
| download | linux-185d82456edaa5a7a8c8827840b8a675c60579c0.tar.xz | |
cpufreq: intel_pstate: Remove PID debugfs when not used
When target state is calculated using get_target_pstate_use_cpu_load(),
PID controller is not used, hence it has no effect on performance.
So don't present debugfs entries to tune PID controller.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 16d071a618b7..d46e881ff4d7 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -636,8 +636,10 @@ static void __init intel_pstate_debug_expose_params(void) struct dentry *debugfs_parent; int i = 0; - if (hwp_active) + if (hwp_active || + pstate_funcs.get_target_pstate == get_target_pstate_use_cpu_load) return; + debugfs_parent = debugfs_create_dir("pstate_snb", NULL); if (IS_ERR_OR_NULL(debugfs_parent)) return; |